Most people go into parenting with all kinds of ideas about how they want to parent. But it's not entirely your decision. You will have to work around factors like what your child needs and what you and other adults in your kid's life are capable of doing.
I wanted to have a natural (though medicated) birth and exclusively breastfeed DD. I ended up having an emergency C-section, she got stuck, and she wasn't breathing when she came out (she's 5.5 and fine now). She had trouble getting the hang of breastfeeding, and I had to supplement with formula. I had to learn real quick that when her needs and my desires to parent a certain way were in conflict, it was my desires that had to give. What your child needs is more important than what you want or what other people will think.
Related to this, lots of people with no children have all kinds of advice on how to deal with some child-related problem. Unless they have an advanced degree in child development or medicine or something like that, they have NO IDEA what they are talking about. I was SURE of how to prevent picky eating before I had DD. Now she's a picky eater. I had NO clue. I still have no clue.
There doesn't seem to be one best practice that will work with all parents and kids for a lot of aspects of parenting. Or, if there is, we haven't figured out what it is. About the best that you can do is find something that will work for you, your family, and your kid.
Lots of new parents want to stock up on all kinds of stuff (nappies, clothes, etc) before the baby comes, or before the baby needs it. Don't do this. Buy a SMALL quantity of whatever it is when you need it, and see if it works for you and your child. If it does, THEN you can stock up.
Buy clothes secondhand. Babies don't care, and you get more clothes for your money. This means that you can put off doing laundry for longer.
Everything takes longer than you think it will with a baby or small child. It just does. You'll get less done during the day when you're with your baby or child than you think you will. That's just the way it is.
Don't compare your baby to other babies. Either your baby will be doing less well than theirs, or they'll be doing better. In the former case, you make yourself miserable for likely no reason. In the latter, you might be a smug a-hole. Neither is good. There is a lot of variation in development, and most of it isn't a problem.